Materials:
Red Litmus paper
Blue Litmus paper
Sodium Hydroxide
Hydrochloric acid
Pipette
4 Test tubes
Steps
Rip the litmus paper in half and put half in each test tube.
Add 3 drops of hydrochloric acid to the blue litmus paper in test tube 1.
Add 3 drops of hydrochloric acid to the red litmus paper in test tube 2.
Add 3 drop of Sodium Hydroxide to the blue litmus paper in test tube 3.
Add 3 drops of Sodium Hydroxide to the red litmus paper in test tube
Findings
The blue litmus paper with hydrochloric acid stayed blue.
The blue litmus paper with sodium hydroxide went red.
The red litmus paper with hydrochloric acid went blue.
The red litmus paper with sodium hydroxide stayed red.
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